Question About FSB speeds on Pentium 4

[Atekk313]

i have a question about the FSB speeds on the pentium 4 ...

i am selling my AMd xp2000+ based system and i got an intel brand D845WN off a buddy for 25 bucks .lol good deal huh anyways my question is as follows....

the intel website says this board only supports a 400 mhz FSB...so i have two questions
1. could a bios update possibly increase the supported FSB speed to 533mhz or even 800 mhz?

2. if i was to purchase a CPU with a higher FSB and just run it only at 400mhz would that work.. and what kind of performance hit would i take ?

3. if i was to purchase a board supporting a 800 fsb(specifically the MSI Neo), and put a chip only supporting a 400 mhz fsb would the board still operate well?(of course not to its full capacity i know this)or would this make the new board virtually a waste?

 

[NinjaSquirrel]

I think you should of stayed with your AMD. The 845 chipset use the Willimate core I believe. That is bad those cpu's where not very good. That mobo either uses Rambus or Sdram and both of those are dieing out. I would save up for a new Amd setup or wait for next year because that is when a new intel socket is coming out. So all the people that upgraded to the new 800Mhz boards will have to go out and buy all new cpus and mobo. Thats if they want the best. Plus the new intel boards will have PCI express slots to replace agp. If you want to buy a intel 800Mhz board make sure to get DDR400 ram and a 800Mhz cpu. Because I think you will be throwing your money away if you put a 400Mhz or 533Mhz cpu in there.

 

[Egrimm]

Williamette was the first core of the P4 CPU, the newer one, Northwood is available in 400, 533 and 800Mhz versions. There's no mobos that will only support Williamettes, they can all run Nortwoods.

1. Don't know.
2. A noticable hit, say you buy a 2.4 then it'll only run 1800 (as P4s er multiplier locked), but you can get 100/400 cpu's up to 2.6
3. It should work if the board-maker inplemented support for so low fsb's, they're not supported officially by Intel.

The board is sd-ram and that will limit the cpu a lot, P4s need loads of bandwith, it'll be the same as running as cpu with better ram (fast ddr or rambus) several 100Mhz lower.

 

[bgeh]

1)probably no........your chipset imo doesn't support it
2)quite a lot. the p4's are bandwidth hungry. besides, it uses SDRAM that will kill the p4's performance
3)it should operate well, but imo, it's a waste to do that, i'll get at least a 533MHz FSB p4 to go with it

 

[Atekk313]

so then the wise thing to do then would be to spend about 70 bucks on a 2.0 celeron... then sell the P.O.S for a few hundred and start over....so any suggestions anyone?.. P4 with hyper threading or the new XP 3000+ series?

 

[Whitedog]

nForce2 and t-bred "b" is the way to go.

My 2100+ (overclocked) will beat a stock 3200+ in all benchies and most benchies on a 3.06. The "ONLY" downside is No SSE2 (which are the benchies the P4 wins unfairly on).

It's nothing to get a t-bred "b" to run at 2300-2400MHz on an nForce2 mobo. Nothing. Not bad for a 50 buck CPU.

i got an intel brand D845WN off a buddy for 25 bucks .lol good deal huh

You should do research on what you buy... I would just cut my losses and toss it. I wouldn't even try to build a system out of it.